Question

Continued proportion of 3,12,39

Answer 1

Answer:

480

Step-by-step explanation:

12×3+3 =39

39×12+12=480

Answer 2

Answer:

156

Step-by-step explanation:

A:B::C:D

A=3,B=12,C=39

THEN,

=3:12::39:D

=3D=12×39

=D=(12×39)/3

SO,

D=156. ANSWER

ANS...............